The Human-Animal Connection in Remarkably Bright Creatures: Empathy Across Species

Defining the Thematic Claim

In Remarkably Bright Creatures, the bond between Tova Sullivan and Marcellus the octopus transcends the usual human-pet dynamic. The novel argues that genuine connection can form across any barrier—species, language, or life span—when one being sees another fully and without judgment. Tova, a 70-year-old widow grieving her son Erik, and Marcellus, a captive giant Pacific octopus facing his own death, find in each other a solace that neither human companions nor the natural world alone can provide. Their relationship is built on quiet communication, mutual rescue, and the recognition of shared loneliness.

Tracing the Theme Through the Plot

The Initial Rescue: A Physical Bond

On Marcellus's 1,299th day of captivity, Tova discovers he has escaped his tank and become tangled in a phone cord in the break room. She frees him by unplugging the cord, and in gratitude—or curiosity—Marcellus wraps an arm around her forearm, leaving sucker marks that form a silver-dollar-sized scar. This physical imprint becomes a tangible reminder of their encounter. For Tova, the mark mirrors the shape of a candle her son Erik once held underwater, linking the octopus to her grief. For Marcellus, this is the first time a human has touched him without fear or clinical distance. The scene establishes their connection as one of mutual aid: she rescues him from entanglement, and he, in turn, offers her a new way to hold her loss.

Developing Communication: A Shared Language

Over the following weeks, Tova and Marcellus develop a ritual of conversation. During her cleaning shifts, Tova visits his tank, descends from the pump room, and speaks to him as she would to a friend. She tells him about the Knit-Wits, her loneliness since her husband Will died, and the house she must sell. Marcellus listens—and responds in his own way: he wraps his tentacles around her arm in a genteel grip, blinks slowly, and pokes at the "funny bone" of her elbow. As Marcellus narrates in his characteristic voice, "We . . . converse." Their dialogue is one-sided in sound but reciprocal in meaning. Tova never expects a verbal reply; she understands his gestures as pleasantries. This low-stakes, honest exchange gives Tova a space to speak without pretense, and it gives Marcellus an audience he respects—one that does not play human games or mistake him for a squid.

The Ultimate Act of Trust: Release and Return

The climax of their bond comes when Tova learns that Marcellus is near death—he has at most 161 days left before his species' typical life span of 1,460 days ends. Rather than let him die in the tank, she releases him into the open ocean. In his first day of freedom, Marcellus swims to the deep seafloor to lie with the bones of Erik, Tova's son. He notes, "I would trust Tova with my life. I did trust her with my life, more than once. Just as I trusted her with my death." This act completes a circle: Tova gives Marcellus the dignity of a wild death, and Marcellus, in turn, gives Tova a sense of peace about both her son and her friend. After his death, a bronze octopus statue donated by Tova stands at the aquarium, and she whispers to the empty pier, "I miss you. Both of you," uniting her grief for Erik and Marcellus in a single, healed acknowledgment.

Characters and Their Roles in the Thematic Web

Tova Sullivan

Tova is defined by her losses—first Erik, then her husband Will. She cleans the aquarium compulsively, partly to stay connected to the place where Erik's memory lingers. Her bond with Marcellus offers a living, responsive presence that does not require her to mask her grief. She can say, "Skin and bones. That's what the Knit-Wits say," and Marcellus simply blinks. He does not offer platitudes; he offers attention. This attention helps Tova move from isolated mourning to a willingness to embrace a new family—Cameron, Ethan, and eventually the shy new octopus Pippa the Grippa.

Marcellus

Marcellus is an unusually intelligent octopus who can read, solve puzzles, and observe human behavior with sardonic precision. He initially dismisses most humans as "dull and blundering," yet he makes an exception for Tova. She does not play games or treat him as a spectacle; she speaks to him as an equal. His final gift to her is not material but symbolic: by dying near Erik's bones, he connects her grief for her son to the natural cycle of life and death. His narration frames their bond as the rare instance of a human proving "remarkably bright."

Cameron Cassmore

Cameron, a young man searching for his father, serves as a parallel to Marcellus. Both are searching for belonging—Cameron for biological roots, Marcellus for freedom and dignity. Tova's empathy for Marcellus mirrors her eventual openness to Cameron, whom she discovers is actually Erik's son. The octopus is the first to notice the physical resemblance: the same "heart-shaped dimple" on the left cheek and "greenish golden flecks" in the eyes. Marcellus's observation drives the plot toward biological revelation, but thematically, it shows that Tova's capacity for connection with a creature prepares her to connect with a grandson.

Symbols That Enrich the Theme

The House Key

The key Marcellus found as a juvenile and later returns to at the bottom of the sea becomes a symbol of access—both literal and emotional. Tova uses it to unlock her front door, but it also metaphorically unlocks her past and her willingness to move forward. Its journey from the seafloor to Tova's keyring mirrors how the human-animal connection can bridge seemingly unreachable worlds.

The Dala Horse

The Dala horse, a Swedish decorative item from Tova's heritage, represents her cultural roots and the tradition of craft and patience. She carves wooden sculptures as a way to process her emotions. After Marcellus's release and death, the horse takes on new meaning as a symbol of the quiet, labor-intensive work of building bonds—one that requires no words.

Marcellus the Octopus

Marcellus himself is the central symbol of the theme. As an octopus, he embodies intelligence, adaptability, and a short life span—qualities that mirror both human resilience and fragility. His final message—"I am lucky. I am grateful."—transforms the symbol from one of captivity to one of liberated connection.

Addressing Complexity and Contradiction

The human-animal bond in the novel is not sentimentalized. Tova cannot fully understand Marcellus; her conversations are monologues, and she interprets his gestures cheerfully. Marcellus, in turn, is capable of violence and cunning—he steals food, dismantles puzzles, and holds grudges against the aquarium staff. Their relationship is also asymmetrical: Tova controls whether he lives or dies in the tank, a power imbalance that she ultimately uses for his good, but which cannot erase the fact of his captivity. The novel acknowledges this tension by having Marcellus die free, which is a bittersweet release rather than a triumph. Furthermore, the bond does not solve all of Tova's problems. She still struggles with the sale of her house and her future, but the connection gives her a foundation to face these changes.

Study Questions

1. How does Tova's grief for Erik prepare her to connect with Marcellus? Answer: Tova's unresolved grief leaves her emotionally open to a non-human relationship because she has withdrawn from most human social circles. Her nightly cleaning routine at the aquarium is itself a ritual of mourning—a way to remain near the place where Erik died. Marcellus becomes a living being who can receive her stories about Erik without judgment, allowing her to process loss in a new way.

2. In what ways does Marcellus's narrative voice challenge the reader's assumptions about animal intelligence? Answer: Marcellus's ability to read, calculate his remaining days, and solve puzzles directly contradicts the plaque that labels him a "remarkably bright creature" in a condescending tone. His sardonic observations of human behavior—such as correctly deducing paternity through gait and facial features—place him as an equal observer of humanity rather than a passive subject. This challenges the reader to see animal cognition as continuous with, not inferior to, human intelligence.

3. Why does Tova choose to release Marcellus when she knows he will die soon? Answer: Tova recognizes that Marcellus's quality of life in the tank is minimal and that he has expressed a desire for the "darkness" and "vastness" of the open sea. By releasing him, she honors his dignity and agency, even though it means losing him. It is an act of empathy that prioritizes his well-being over her own desire to keep him near.

4. How does the theme of human-animal connection intersect with the theme of family and belonging? Answer: The connection between Tova and Marcellus provides a model for her eventual acceptance of Cameron as her grandson. Just as she learns to communicate with Marcellus without verbal language, she learns to recognize Cameron's identity through Marcellus's observation and then through emotional intuition. The bond with an octopus softens her expectation that family must be biological or conventional, allowing her to embrace a found family that includes Cameron and Ethan.

5. What is the significance of Marcellus's final act of returning to Erik's bones? Answer: Marcellus's return to the seafloor where Erik's bones lie completes a symbolic reunion. It acknowledges that Tova's love for her son and her love for Marcellus are connected—both are forms of devotion to creatures she could not fully protect. His choice to be near Erik's remains frames his death not as an end but as part of the same ocean that holds Tova's deepest loss. It also gives Tova a private certainty that both her son and her octopus friend are at rest together.